Illustration of Petrocephalus bane from Boulenger's Fishes of the Nile (1907), specimen from "near Cairo."

Illustration of Petrocephalus bane from Boulenger's Fishes of the Nile (1907), specimen from "near Cairo."
Photographer: J. Green, artistRights holder: G. Boulenger

Illustration of Petrocephalus bane from Boulenger's Fishes of the Nile (1907), specimen from "near Cairo."